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ASUS ROG Thor 1200W Platinum II vs Seasonic Vertex GX-850: Comparison
ASUS ROG Thor 1200W Platinum II and Seasonic Vertex GX-850 separate most on pcie 8-pin connectors: ASUS ROG Thor 1200W Platinum II at 8, Seasonic Vertex GX-850 at 4, 50% in favour of ASUS ROG Thor 1200W Platinum II. Wattage splits them by another 29%, again favouring ASUS ROG Thor 1200W Platinum II. They match on 4 other specifications, including form factor, 12v-2x6 connectors and colour. On price, Seasonic Vertex GX-850 sits at $139.99 against $349.99 for ASUS ROG Thor 1200W Platinum II.
Specs
| Specification |  |  |
|---|---|---|
| Brand | ASUS | Seasonic |
| Wattage | 1200 W | 850 W-29% |
| 80 PLUS Rating | Platinum | Gold |
| ATX Standard | ATX 2.x | ATX 3.0 |
| Form Factor | ATX | ATX |
| Single +12V Rail | Yes | true |
| Cybenetics Efficiency | Platinum | Gold |
| Cybenetics Noise | A++ | A |
| 12V-2x6 Connectors | 1 | 1 |
| Zero-RPM Mode | Yes | true |
| Sleeved Cables | No | No, flat ribbon/standard cables |
| PCIe 8-pin Connectors | 8 | 4-50% |
| Connector Count | 1x 24-pin ATX, 2x EPS 4+4, 1x PCIe 16-pin (component side), 8x PCIe 6+2-pin, 12x SATA, 6x Molex | 1x 24-pin ATX, 1x EPS 4+4, 1x 12V-2x6 (600W), 4x PCIe 6+2-pin, 8x SATA, 3x Molex |
| Fan Size | 135 mm | 135 |
| Fan Model / Bearing | 135mm double ball bearing (CF1325H12D), Axial-tech | 135mm fluid dynamic bearing, Hybrid Silent fan control |
| OEM / Platform | Seasonic | Seasonic (in-house) |
| Japanese Capacitors | Yes | true |
| Cable Lengths | ATX 620mm, EPS 650mm, PCIe 680mm and 680+80mm, SATA 460+125+125+125mm, Molex 460+155+155mm | ATX 610mm, EPS 650-750mm, PCIe 750-800mm, SATA 730-980mm |
| Length | 190 mm | 140 |
| Colour | Black | Black |
| MTBF | 120000 hours | 100000-17% |
| Modularity | Fully Modular | Fully Modular |
| Protections | OPP, OVP, UVP, SCP, OCP, OTP | OCP, OVP, OPP, SCP, OTP, UVP |
| Warranty | 10 years | 10 |
| Model | ROG Thor 1200W Platinum II | Vertex GX-850 |
| Typical Price | $349.99 | $139.99 |
Price comparison
| Retailer | ASUS ROG Thor 1200W Platinum II | Seasonic Vertex GX-850 |
|---|---|---|
| Consumercarts listing | $349.99 View on Consumercarts listing | $139.99 View on Consumercarts listing |
Disclaimer: The price and specification of the given product may differ from the actual product. Please confirm on the retailer's website before buying.
Verdict
ASUS ROG Thor 1200W Platinum II
8.8 / 10 Expert Rating
A best-in-class 1200W Platinum-rated ATX unit for a workstation or multi-GPU build with serious headroom, held back only by its premium price.
Seasonic Vertex GX-850
8.3 / 10 Expert Rating
A solid 850W Gold-rated ATX unit for a popular RTX 4070 Ti / RTX 5070-class gaming build, held back only by the usual mid-tier compromises on cabling and OEM sourcing.
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